Previous Spaceflight Launches

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Diamant B | Tournesol

Société d'étude et de réalisation d'engins balistiques | France
Guiana Space Centre, French Guiana
April 15, 1971, 9:19 a.m.
Status: Launch Successful
Mission:

French satellite designed to detect the presence of hydrogen in several directions of the celestial sphere.

Low Earth Orbit
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Voskhod | Zenit-4M 14

Soviet Space Program | Russia
Plesetsk Cosmodrome, Russian Federation
April 14, 1971, 8 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.

Low Earth Orbit
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Vostok 8A92M | Tselina-D 2

RKK Energiya | Russia
Plesetsk Cosmodrome, Russian Federation
April 7, 1971, 7:10 a.m.
Status: Launch Successful
Mission:

Tselina-D satellites provided detailed observation of radio sources detected by the smaller Tselina-O satellites as part of the Tselina ELINT system.

Low Earth Orbit
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Tsiklon-2 | I2P 7

Yuzhnoye Design Bureau | Ukraine
Baikonur Cosmodrome, Republic of Kazakhstan
April 4, 1971, 2:27 p.m.
Status: Launch Successful
Mission:

The I2P satellites were the first soviet coorbital ASAT system.

Low Earth Orbit
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Voskhod | Zenit-2M 18

Soviet Space Program | Russia
Plesetsk Cosmodrome, Russian Federation
April 2, 1971, 8:20 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.

Low Earth Orbit
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Tsiklon-2 | US-A 2

Yuzhnoye Design Bureau | Ukraine
Baikonur Cosmodrome, Republic of Kazakhstan
April 1, 1971, 11:29 a.m.
Status: Launch Successful
Mission:

Active radar satellite for ocean surveillance powered by a nuclear reactor.

Low Earth Orbit
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Thor Delta E1 | Isis 2

McDonnell Douglas | United States of America
Vandenberg SFB, CA, USA
April 1, 1971, 2:57 a.m.
Status: Launch Successful
Mission:

ISIS 2 was an ionospheric observatory instrumented with a sweep- and a fixed-frequency ionosonde, a VLF receiver, energetic and soft particle detectors, an ion mass spectrometer, an electrostatic probe, a retarding potential analyzer, a beacon transmitter, a cosmic noise experiment, and two photometers.

Low Earth Orbit
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Voskhod | Zenit-4M 13

Soviet Space Program | Russia
Plesetsk Cosmodrome, Russian Federation
March 27, 1971, 10:59 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-4M (Rotor, 11F691) was an improved version of the Zenit-4 high resolution reconnaissance satellite and was part of the Vostok-based Zenit-family.

Low Earth Orbit
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Thorad SLV-2H Agena D | KH-4B 14

McDonnell Douglas | United States of America
Vandenberg SFB, CA, USA
March 24, 1971, 9:06 p.m.
Status: Launch Successful
Mission:

The KH-4B (Keyhole-4B) was sixth optical reconnaissance satellite version in the Corona-program.

Low Earth Orbit
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Titan 33B | Jumpseat 1

Lockheed Martin | United States of America
Vandenberg SFB, CA, USA
March 21, 1971, 3:45 a.m.
Status: Launch Successful
Mission:

Signal intelligence satellite operating from highly elliptic Molniya-type orbits.

Elliptical Orbit
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